General

  • Target

    f28050a82e258341a9e230aab1c08558053eee6b3109c265261ab6d69fc1a536

  • Size

    340KB

  • Sample

    220307-2sre3aggd4

  • MD5

    c60740bd0fc861fd41ae37181cb4012b

  • SHA1

    0140914f6e097d35f7a924108ae76d74aa692bf3

  • SHA256

    f28050a82e258341a9e230aab1c08558053eee6b3109c265261ab6d69fc1a536

  • SHA512

    df33ba6a26d6f8279bed96765f4c71a23be9397f1bc2d9b1e7a842a70a6c1a7fe6f2e5072ee6ac926aaca4a5a2e075cdb0798d70273a8850ddb8fe816c921f69

Malware Config

Targets

    • Target

      f28050a82e258341a9e230aab1c08558053eee6b3109c265261ab6d69fc1a536

    • Size

      340KB

    • MD5

      c60740bd0fc861fd41ae37181cb4012b

    • SHA1

      0140914f6e097d35f7a924108ae76d74aa692bf3

    • SHA256

      f28050a82e258341a9e230aab1c08558053eee6b3109c265261ab6d69fc1a536

    • SHA512

      df33ba6a26d6f8279bed96765f4c71a23be9397f1bc2d9b1e7a842a70a6c1a7fe6f2e5072ee6ac926aaca4a5a2e075cdb0798d70273a8850ddb8fe816c921f69

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

    • ISR Stealer Payload

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Nirsoft

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks